<template>
	<view>
		<!-- 使用自定义组件 -->
		<view class="search-box">
			
		<my-search @click123="gotoSearch"></my-search>
		</view>
		
		<!-- 轮播图 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item ,index) in swiperList" :key='index'>
				<navigator 
				class="swiper-item" 
				:url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
				    <!-- 动态绑定图片的 src 属性 -->
				    <image :src="item.image_src"></image>
				  </navigator>
			</swiper-item>
		</swiper>
		
		<!-- 分类导航区域 -->
		<view class="nav-list">
			<view class="nav-item" @click="navClickHandler(item)" v-for="(item,index) in navList" :key="index">
				<image :src="item.image_src"class="nav-img"></image>
			</view>
		</view>
		

		<!-- 楼层区域 -->
		<view class="floor-list">
		  <!-- 楼层 item 项 -->
		  <view class="floor-item" v-for="(item, i) in floorList" :key="i">
		    <!-- 楼层标题 -->
		    <image :src="item.floor_title.image_src" class="floor-title"></image>
			<!-- 楼层图片区域 -->
			<view class="floor-img-box">
				<!-- 左侧大图大盒子 -->
				<navigator class="left-img-box" :url="item.product_list[0].url">
					<image :src="item.product_list[0].image_src" :style="{width : item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
				</navigator>
				<!-- 右侧四个小图片的盒子 -->
				<view class="right-img-box">
						<navigator 
						class="right-img-item" 
						v-for="(item2,index2) in item.product_list" 
						:key="index2" v-if="index2 !== 0"
						:url="item2.url"
						>
							<image :src="item2.image_src" mode="" :style="{width:item2.image_width + 'rpx'}" mode="widthFix"></image>
						</navigator>
				</view>
			</view>
		  </view>
		</view>

	</view>
</template>

<script>
	export default {
		data() {
			return {
				//存储轮播图数据
				swiperList:[] ,
				//存储分类导航数据
				navList:[],
				//楼层的数据列表
				floorList:[]
			};	
		},
		onLoad() {
			//调用方法,获轮播图的数据
			this.getSwiperList(),
			this.getNavList()
			this.getFloorList()
		},
	
		methods:{
			//获取轮播图数据
			async getSwiperList(){
				
				const {data:res} = await uni.$http.get('/api/public/v1/home/swiperdata')
				
				//因为封装了 showToast 消息提示框
				if(res.meta.status !== 200) return uni.$showMsg()
				this.swiperList = res.message
				uni.$showMsg('数据请求成功!') 
				},
		//获取分类数据
			async getNavList(){
				const {data : res} = await uni.$http.get('/api/public/v1/home/catitems')
				
				 if(res.meta.status !== 200 ) return uni.$showMsg()
				this.navList = res.message
			},
			//点击导航分类跳转页面
			navClickHandler(item){
				if(item.name === '分类'){
					//跳转到tabBar页面,只能调用 switchTab 这个API
					uni.switchTab({
						url:'/pages/cate/cate'
					})
				}
				
			},
			//获取楼层数据
			async getFloorList(){
				const {data : res} = await uni.$http.get("/api/public/v1/home/floordata")
				console.log(res);
				if(res.meta.status !== 200) return uni.$showMsg()
				// 数据处理
				res.message.forEach(floor =>{
					floor.product_list.forEach(prod => {
						prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
			    	})
				})
				this.floorList = res.message
				uni.$showMsg("数据获取成功")
			},
			gotoSearch(){
				uni.navigateTo({
					url:'/subpkg/search/search'
				})
			}
		}
	}
</script>

<style lang="scss">
swiper{
	height:330rpx ;
	.swiper-item,image{
		width: 100%;
		height: 100%;
	}
}

.nav-list{
	display: flex;
	justify-content: space-around;
	margin: 15px 0;
	
	.nav-img{
		width: 128rpx;
		height: 140rpx;
    }
} 

.floor-img-box{
	display: flex;
	padding-left: 10rpx;
}
// 楼层标题
	.floor-title{
		height: 60rpx;
		width: 100%;
		display: flex;
	}
	.right-img-box{
		display:flex;
		flex-wrap:wrap;
		justify-content: space-around;
	}
	.search-box{
		position: sticky;
		top: 0;
		z-index: 1;
	}
	
</style>
